{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:PEZZYT6EACIV6Z6BOY5LZDFDXS","short_pith_number":"pith:PEZZYT6E","canonical_record":{"source":{"id":"1402.6853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-02-27T10:25:45Z","cross_cats_sorted":[],"title_canon_sha256":"3a5736bb0a8413c32890d8250e904ccf04b5dc214ae3cc2ca03fa69fd0cf7bae","abstract_canon_sha256":"7e7ef93e08c16cffaaf733fdf8019a32c2009552b067f1a37e12358e29cee49e"},"schema_version":"1.0"},"canonical_sha256":"79339c4fc400915f67c1763abc8ca3bc87790198cb7167eb778ee6d2d1e0d1d2","source":{"kind":"arxiv","id":"1402.6853","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.6853","created_at":"2026-05-18T02:57:36Z"},{"alias_kind":"arxiv_version","alias_value":"1402.6853v1","created_at":"2026-05-18T02:57:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6853","created_at":"2026-05-18T02:57:36Z"},{"alias_kind":"pith_short_12","alias_value":"PEZZYT6EACIV","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PEZZYT6EACIV6Z6B","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PEZZYT6E","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:PEZZYT6EACIV6Z6BOY5LZDFDXS","target":"record","payload":{"canonical_record":{"source":{"id":"1402.6853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-02-27T10:25:45Z","cross_cats_sorted":[],"title_canon_sha256":"3a5736bb0a8413c32890d8250e904ccf04b5dc214ae3cc2ca03fa69fd0cf7bae","abstract_canon_sha256":"7e7ef93e08c16cffaaf733fdf8019a32c2009552b067f1a37e12358e29cee49e"},"schema_version":"1.0"},"canonical_sha256":"79339c4fc400915f67c1763abc8ca3bc87790198cb7167eb778ee6d2d1e0d1d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:36.794999Z","signature_b64":"iUq1CIVYBqSRm1pL3+dc/oElgIhMYKnbJG99E4waxklWPpV9Mw+CCoDcnZa6FzHZ3ra/ZWNZx7MakvfAP7KBDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79339c4fc400915f67c1763abc8ca3bc87790198cb7167eb778ee6d2d1e0d1d2","last_reissued_at":"2026-05-18T02:57:36.794221Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:36.794221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.6853","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:57:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bSRUx/LnKzT37/WWWMTnsK6po7PAWRXaTbNH4MCwAU/d0bKpW3BF1mb8i8OxYEbqGVQoLeoi+r163LX3wNr5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:03:29.891016Z"},"content_sha256":"4624b147bd072246e9b2ac9baf7f8cf8bed2705a65d623d7e346e4de6a1693d1","schema_version":"1.0","event_id":"sha256:4624b147bd072246e9b2ac9baf7f8cf8bed2705a65d623d7e346e4de6a1693d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:PEZZYT6EACIV6Z6BOY5LZDFDXS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Vortices associated with the wave function of a single electron emitted in slow ion-atom collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"C. Goihl, D. Metz, D. R. Schultz, H. Schmidt-B\\\"ocking, J. H. Macek, L. Ph. H. Schmidt, R. D\\\"orner, S. Yu. Ovchinnikov","submitted_at":"2014-02-27T10:25:45Z","abstract_excerpt":"We present measurements and calculations of the momentum distribution of electrons emitted during the ion-atom collision 10 keV/u $He^{2+}+He \\rightarrow He^{+} + He^{2+} + e^{-}$, which show rich structures for ion scattering angles above 2 mrad arising dominantly from two-electron states. Our calculations reveal that minima in the measured distributions are zeros in the electronic probability density resulting from vortices in the electronic current."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6853","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:57:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8zh16lWQTeqkwliJjbVdf9Lnb+D7ChcwQurhRYZItLcz18QKGFsJz2jIjkTHSqjuFMNFuRayJTRLlCdE5pdfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:03:29.891676Z"},"content_sha256":"ca573ed9e2a86386284246fb648003604642186eacbc4f7cf89185daf0359750","schema_version":"1.0","event_id":"sha256:ca573ed9e2a86386284246fb648003604642186eacbc4f7cf89185daf0359750"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PEZZYT6EACIV6Z6BOY5LZDFDXS/bundle.json","state_url":"https://pith.science/pith/PEZZYT6EACIV6Z6BOY5LZDFDXS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PEZZYT6EACIV6Z6BOY5LZDFDXS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T07:03:29Z","links":{"resolver":"https://pith.science/pith/PEZZYT6EACIV6Z6BOY5LZDFDXS","bundle":"https://pith.science/pith/PEZZYT6EACIV6Z6BOY5LZDFDXS/bundle.json","state":"https://pith.science/pith/PEZZYT6EACIV6Z6BOY5LZDFDXS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PEZZYT6EACIV6Z6BOY5LZDFDXS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:PEZZYT6EACIV6Z6BOY5LZDFDXS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7e7ef93e08c16cffaaf733fdf8019a32c2009552b067f1a37e12358e29cee49e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-02-27T10:25:45Z","title_canon_sha256":"3a5736bb0a8413c32890d8250e904ccf04b5dc214ae3cc2ca03fa69fd0cf7bae"},"schema_version":"1.0","source":{"id":"1402.6853","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.6853","created_at":"2026-05-18T02:57:36Z"},{"alias_kind":"arxiv_version","alias_value":"1402.6853v1","created_at":"2026-05-18T02:57:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.6853","created_at":"2026-05-18T02:57:36Z"},{"alias_kind":"pith_short_12","alias_value":"PEZZYT6EACIV","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PEZZYT6EACIV6Z6B","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PEZZYT6E","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:ca573ed9e2a86386284246fb648003604642186eacbc4f7cf89185daf0359750","target":"graph","created_at":"2026-05-18T02:57:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present measurements and calculations of the momentum distribution of electrons emitted during the ion-atom collision 10 keV/u $He^{2+}+He \\rightarrow He^{+} + He^{2+} + e^{-}$, which show rich structures for ion scattering angles above 2 mrad arising dominantly from two-electron states. Our calculations reveal that minima in the measured distributions are zeros in the electronic probability density resulting from vortices in the electronic current.","authors_text":"C. Goihl, D. Metz, D. R. Schultz, H. Schmidt-B\\\"ocking, J. H. Macek, L. Ph. H. Schmidt, R. D\\\"orner, S. Yu. Ovchinnikov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-02-27T10:25:45Z","title":"Vortices associated with the wave function of a single electron emitted in slow ion-atom collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6853","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4624b147bd072246e9b2ac9baf7f8cf8bed2705a65d623d7e346e4de6a1693d1","target":"record","created_at":"2026-05-18T02:57:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7e7ef93e08c16cffaaf733fdf8019a32c2009552b067f1a37e12358e29cee49e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-02-27T10:25:45Z","title_canon_sha256":"3a5736bb0a8413c32890d8250e904ccf04b5dc214ae3cc2ca03fa69fd0cf7bae"},"schema_version":"1.0","source":{"id":"1402.6853","kind":"arxiv","version":1}},"canonical_sha256":"79339c4fc400915f67c1763abc8ca3bc87790198cb7167eb778ee6d2d1e0d1d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79339c4fc400915f67c1763abc8ca3bc87790198cb7167eb778ee6d2d1e0d1d2","first_computed_at":"2026-05-18T02:57:36.794221Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:36.794221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iUq1CIVYBqSRm1pL3+dc/oElgIhMYKnbJG99E4waxklWPpV9Mw+CCoDcnZa6FzHZ3ra/ZWNZx7MakvfAP7KBDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:36.794999Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.6853","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4624b147bd072246e9b2ac9baf7f8cf8bed2705a65d623d7e346e4de6a1693d1","sha256:ca573ed9e2a86386284246fb648003604642186eacbc4f7cf89185daf0359750"],"state_sha256":"3b5150168feb107177a670388478810ee0733e24428554447548a0b92266d1d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/5ItAbt99gps9JcpkDTrD6yOlcqxvqG7jusXfyrp42MFh4n9J8kiVGEi/5YcH4RdhT9QJ32XF1Nmo2iKPFalBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:03:29.895171Z","bundle_sha256":"106ded8c163d8bc43629f59aa84cb8ebf0a1e4702fefb06f0bd506dc3597f565"}}